JPS629934A - Water pouring type tube guiding device - Google Patents

Abstract

PURPOSE:To provide a water pouring type tube guiding device which is insertable easily into a time-worn pipe, by a method wherein as for an opening part of the lower end, the tip part of an opening part of a tube made of thermosetting resin is fitted over the same in an airtight state by widening and inverting the same and water is poured between the tube made of thermosetting resin and the opening part of the upper end. CONSTITUTION:An opening part of the tip of a tube 3 which has been kept inserting through an opening part of the upper end is fitted over an opening part of the lower end of a guiding device 2 in an airtight state by making the opening part of the tip of the tube 3 invert by widening the same, water 1 is poured from the outside between the opening part of the upper end of the guiding device and the inserted tube, and a desired range of a time-worn pipe 9 is lined with the tube. The tube formed of thermosetting resin can be made to cure in a short period of time and reliably by making the water in the inside of the tube is made to circulate along with the water heated by a boiler. As for the guiding device of the tube, as the upper part of the same is provided with the comparatively large opening part and the lower part of the same is provided with the opening part for drawing-out of the tube, the tube is insertable into the time-worn pipe extremely simply and reliably according to a form or the size of the opening part of the time-worn pipe or a direction thereof.

Description

DETAILED DESCRIPTION OF THE INVENTION The invention of this application relates to a water injection type tube guide device that can be used for transmission of conventional old old pipes, such as sewer pipes, water supply pipes, gas pipes, telephone power line pipes, power transmission cable underground pipe factories, etc. In order to regenerate aging pipes such as oil pipes and indoor piping, Cheap is inserted into the old pipes using high-pressure air generated by an air pump, that is, an air compressor, and then high-temperature air heated by a heater etc. is inserted into the tubes. The conventional practice has been to pour the tube into the tube and heat it to harden it, but this method has the disadvantage that it is extremely difficult to insert the tube.

The invention of this application aims to eliminate the above-mentioned drawbacks.

In a water-injection type tube guide device that applies water pressure by injecting water into an old pipe or a conduit similar to the old pipe, and reversely inserts the thermosetting resin tube by the pressure difference in water level, the lower end of the tube is A water injection system in which a lower opening is provided in which the tip of the tube can be airtightly attached, and when water is injected, water level differential pressure acts on the tube, allowing the tube to be inserted upside down into the old pipe and conduit. This is a type tube guide device.

There is no need to create a pressurized fluid by applying water pressure from water injection and inserting a thermosetting resin tube into an old pipe or a conduit similar to the old pipe in reverse due to the pressure difference in water level. It can be done simply and without the need for pressure management, so even non-experts can install it.After the inverted insertion, the water level is held constant and the water is heated and circulated using a heating circulation device to raise the water temperature. As a result, it is possible to harden the 1L tube while maintaining the adhesion between the tube to be constructed and the thermosetting resin tube.

By using a water injection type tube guide device according to the invention of this application, a tube that has been inserted into a lower end opening of the guide device from an upper end opening of the guide device can be inserted into the lower end opening of the guide device. - Expand the tip opening of the tube, invert it, and fit it airtightly, and then insert the tube guide device from the upper end opening of the water injection type tube guide device according to the invention of this application. Water is injected from the outside between the cheep inserted inside, and then the cheep is inserted. - Line the desired area of the old pipe with the tip of the tube, and then drain the water inside the tube using a boiler or the like.
By circulating the heated water, there is an effect that the tube formed of the thermosetting resin can be cured reliably in a short time.

The shape of the chive guide device needs to be various depending on the usage conditions, but in particular, the guide device in the invention of this application, that is, the chive guide device, has a relatively large opening in at least one of its upper portions. On the other hand, since an opening for pulling out the cheaply facing the desired direction is provided in the lower part, it is possible to insert the cheaply into the old pipe very easily and reliably depending on the shape or size of the opening of the old pipe or the direction of the opening. It has the effect of inserting cheap.

[Brief explanation of the drawing]

FIG. 1 is a longitudinal sectional view of a tube guide device according to the invention of this application, and FIGS. 2, 3, and 4 are longitudinal sectional views of a tube guide device according to a modification of FIG. FIG. 5 is a sectional view of a tube guiding device formed of a flexible tubular structure, and FIG. 6 is a modified view of FIG. FIG. 7 is a longitudinal cross-sectional view of the cheap guide device with the tip of the cheap guide attached to the upper opening, and FIG. FIG. 9 is a vertical cross-sectional view of the
The figure is a longitudinal cross-sectional view showing how the cheap guide device of the invention of this application is used. 1 Water supply port 2 Water injection type tube guide device 3 Chicope 4 Tube guide device tip 5 Vinyl sheet 6 Tightening band 7, support post 8 Tightening port 9 Existing old pipe

Claims (1)

[Claims] On the one hand, the lower end opening expands the opening tip of the thermosetting resin tube and inverts it so that it can be fitted in an airtight manner, and on the other hand, the upper end opening opens the thermosetting resin tube By injecting water between the thermosetting resin tube part and the upper end opening, the thermosetting resin tube is turned over from the lower end opening part. A water injection type tube guide device designed to be inserted into old pipes or similar pipes.